57−35=22,56−38=18,85−51=34,95−19=76,
45−11=34,75−26=49,48−36=12,98−10=88,
31−25=6,40−30=10,53−17=36,29−18=11,
76−59=17,83−74=9,55−41=14,38−37=1,
80−75=5,42−12=30,97−62=35,96−16=80,
82−58=24,84−27=57,79−43=36,57−49=8,
79−58=21,83−30=53,91−32=59,72−27=45